Home / 28,067,237.40-42,100,856.10-12,950,693.40

Finding the Fourth Proportional to 28,067,237.40, 42,100,856.10 and 12,950,693.40

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Solution

The fourth proportional to 28,067,237.40, 42,100,856.10 and 12,950,693.40 is: 19,426,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,237.40 : 42,100,856.10 = 12,950,693.40 : x
  2. Step 2: Convert to fraction form
    28,067,237.40/42,100,856.10 = 12,950,693.40/x
  3. Step 3: Cross multiply
    28,067,237.40x = 42,100,856.10 × 12,950,693.40
  4. Step 4: Simplify right side
    28,067,237.40x = 545,235,279,228,619.75
  5. Step 5: Solve for x
    x = 545,235,279,228,619.75/28,067,237.40
  6. Step 6: Final answer
    x = 19,426,040.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.